# US 12,000,574 B2 · Fixtures, power and control systems for same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,000,574 B2 - Document ID: US12000574B2 - Status: Granted - Kind: B2 - Application number: 18/369,448 - Filed: 2023-09-18 - Published: 2024-01-18 - Granted: 2024-06-04 - Earliest claimed: 2020-05-11 - Assignees: Wangs Alliance Corporation - Applicants: Wangs Alliance Corporation - Inventors: Jonathan Ian Hoffman; Dimauro Andrade Edwards; Dunping Hu - Web page: https://patentgrep.com/patent/US12000574B2 ## CPC - F21V 21/14: Adjustable mountings - F21K 9/00: Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers - F21S 2/005: {of modular construction} - F21S 8/066: {from a light track (details of supporting elements displaceable along a guiding element F21V21/34)} - F21S 10/005: {using light guides (light guides specially adapted for lighting devices G02B6/0001)} - F21V 7/10: Construction - F21V 14/003: {by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices} - F21V 14/02: by movement of light sources {(in vehicle head lamps F21S41/657)} - F21V 14/06: by movement of refractors {(in vehicle head lamps F21S41/635)} - F21V 17/02: with provision for adjustment (F21V17/04 - F21V17/08 take precedence) - F21V 21/005: for several lighting devices in an end-to-end arrangement, i.e. light tracks - F21V 21/025: {Elongated bases having a U-shaped cross section} - F21V 21/04: Recessed bases - F21V 21/096: Magnetic devices - F21V 21/112: Fixing lighting devices to pendants (F21V21/002 takes precedence) - F21V 21/15: specially adapted for power operation, e.g. by remote control - F21V 21/16: using wires or cords - F21V 21/22: telescopic - F21V 21/29: employing universal joints - F21V 21/30: Pivoted housings or frames - F21V 21/35: with direct electrical contact between the supporting element and electric conductors running along the guiding element - F21V 21/38: with a cable - F21V 23/002: {Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm} - F21V 23/003: {the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array} - F21V 23/0435: {activated by remote control means} - F21V 23/06: the elements being coupling devices {, e.g. connectors} - H05B 45/10: Controlling the intensity of the light - H05B 45/20: Controlling the colour of the light - H05B 45/30: Driver circuits - H05B 47/11: by determining the brightness or colour temperature of ambient light - H05B 47/12: by detecting audible sound - H05B 47/125: by using cameras - H05B 47/13: by using passive infrared detectors - H05B 47/14: by determining electrical parameters of the light source - H05B 47/18: via data-bus transmission - H05B 47/19: via wireless transmission - B24B 41/06: Work supports, e.g. adjustable steadies (B24B37/27 takes precedence) - F21Y 2115/10: Light-emitting diodes [LED] - Y02B 20/40: Control techniques providing energy savings, e.g. smart controller or presence detection - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - B24B: MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING (grinding of gear teeth B23F, of screw-threads B23G1/36; by electro-erosion B23H; abrasive or related blasting B24C; tools for grinding, buffing or sharpening B24D; polishing compositions C09G1/00; abrasives C09K3/14; electrolytic etching or polishing C25F3/00; grinding arrangements for use on assembled railway tracks E01B31/17); DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board. The elongated board may include a non-polar power socket. ## Claims ### Claim 1 An apparatus comprising: a fixture head that includes a back side that is configured to be retained against a fixture support; a releasable detent that extends from the fixture head; a magnet; and a release that; is configured to retract the detent, when displaced into the fixture head; and does not extend from the fixture head; wherein the detent and the magnet are configured to: engage the fixture support; and retain a position of the fixture head relative to the fixture support. ### Claim 2 (depends on 1) The apparatus of claim 1 wherein: the back side defines a rear direction; the back side is configured to be retained against the fixture support such that the fixture support is rear of the back side; and the release is disposed forward of the back side. ### Claim 3 (depends on 1) The apparatus of claim 1 wherein the detent is configured to bridge between the fixture head and the fixture support to engage the fixture support. ### Claim 4 (depends on 1) The apparatus of claim 1 wherein: the head has a first side opposite a second side; and the detent bridges between the first side and the fixture support. ### Claim 5 (depends on 1) The apparatus of claim 1 wherein the detent is biased to engage the fixture support. ### Claim 6 (depends on 1) The apparatus of claim 1 wherein the release defines an engagement element that is configured to be engaged to operate the release. ### Claim 7 (depends on 6) The apparatus of claim 6 wherein the engagement element includes an edge that is configured to be engaged by a tip of an elongated hand-held instrument. ### Claim 8 (depends on 6) The apparatus of claim 6 wherein the engagement element defines a catch that is configured to be engaged by a tip of an elongated hand-held instrument. ### Claim 9 (depends on 6) The apparatus of claim 6 wherein the engagement element is configured to be operated by a user finger. ### Claim 10 (depends on 6) The apparatus of claim 6 wherein the head in operation spans a recess of the fixture support in a direction transverse the fixture support such that a side wall of the head is flush with the fixture support. ### Claim 11 (depends on 1) The apparatus of claim 1 wherein: the head is configured to be seated in a recess defined by the fixture support; and the detent is configured to: secure the head in the recess; and bridge between the head and the fixture support to engage the fixture support. ### Claim 12 (depends on 11) The apparatus of claim 11 wherein the detent is biased to engage the fixture support. ### Claim 13 (depends on 1) The apparatus of claim 1 wherein the detent defines an edge that is configured to be engaged by a tip of an elongated hand-held instrument. ### Claim 14 (depends on 1) The apparatus of claim 1 wherein the release is: disposed inside the fixture head; configured to withdraw the detent from the fixture support; and accessible only from a location forward of the release. ### Claim 15 (depends on 14) The apparatus of claim 14 wherein the release includes an edge that is configured to be engaged by a tip of an elongated hand-held instrument. ### Claim 16 (depends on 14) The apparatus of claim 14 wherein the release defines a catch that is configured to be engaged by a tip of an elongated hand-held instrument. ### Claim 17 (depends on 14) The apparatus of claim 14 wherein the release is configured to be operated by a user finger. ### Claim 18 (depends on 1) The apparatus of claim 1 further including a side wall that: is supported by the back side; and defines, with the back side, an interior; wherein the release is disposed in the interior. ### Claim 19 (depends on 18) The apparatus of claim 18 wherein: the side wall defines an open side of the head; and the release is accessible only via the open side. ### Claim 20 (depends on 18) The apparatus of claim 18 wherein; the side wall defines an open side of the head; and the release is not accessible via the side wall. ### Claim 21 (depends on 1) The apparatus of claim 1 wherein, when the fixture head is a first fixture head: the apparatus further comprises a second fixture head; and the first fixture head and the second fixture head are configured to abut. ### Claim 22 (depends on 1) The apparatus of claim 1 wherein: the detent is included in a pair of detents; and the release is configured to retract the pair of detents. ### Claim 23 (depends on 22) The apparatus of claim 22, wherein when the pair of detents is a first pair of detents and the release is a first release, the fixture head further includes: a second pair of detents; and a second release; wherein: the first release is configured to retract the first pair of detents; and the second release is configured to retract the second pair of detents. ### Claim 24 (depends on 1) The apparatus of claim 1 wherein the detent is urged outward from the fixture head. ### Claim 25 (depends on 24) The apparatus of claim 24 wherein: the detent is one of a plurality of detents included in the fixture head; and the release includes a plurality of linkages, each linkage: corresponding to one of the detents; and configured to disengage the corresponding detent from a ridge in the fixture support. ### Claim 26 (depends on 1) The apparatus of claim 1 wherein the magnet is exposed on the back side of the fixture head. ### Claim 27 (depends on 1) The apparatus of claim 1 wherein: the detent is one of a plurality of detents included in the fixture head; and the release is configured to retract the plurality of detents.